[GiNaC-list] converting expressions to double

[Vladimir V. Kisil]

		Hi, Tomasz,

		One of the common reasons for such problem is that your
  expression still contains some variables. Make a debug print of it and
  check if it is the case.

  Good luck!
  Vladimir
-- 
Vladimir V. Kisil     email: kisilv at maths.leeds.ac.uk
                        www: http://www.maths.leeds.ac.uk/~kisilv/
Book: Geometry of Mobius Transformations
http://www.icpress.co.uk/mathematics/p835.html